13479566 has 4 divisors (see below), whose sum is σ = 20219352. Its totient is φ = 6739782.

The previous prime is 13479559. The next prime is 13479601. The reversal of 13479566 is 66597431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66597431 = 103 ⋅646577.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3369890 + ... + 3369893.

It is an arithmetic number, because the mean of its divisors is an integer number (5054838).

Almost surely, 2^13479566 is an apocalyptic number.

13479566 is a deficient number, since it is larger than the sum of its proper divisors (6739786).

13479566 is an equidigital number, since it uses as much as digits as its factorization.

13479566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739785.

The product of its digits is 136080, while the sum is 41.

The square root of 13479566 is about 3671.4528459453. The cubic root of 13479566 is about 237.9899602667.

The spelling of 13479566 in words is "thirteen million, four hundred seventy-nine thousand, five hundred sixty-six".